Virologist

He's an Algerian virologist.

"In a lot of cases, we don't know all their mechanisms of action," said University of Manitoba virologist Jason Kindrachuk. "Sometimes we actually find that there are effects that we didn't recognize initially."

Denis Chopera, a virologist working in South Africa, said that, since there are no side effects, the herb can’t cause harm, but people shouldn’t presume it is a miracle cure.

Michael Jarvis is a virologist at Plymouth University in England who helped develop the primate vaccine, which would be delivered to wild apes by a blowdart.